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Bunwiches

Prep Time: 20 min
Cook Time: 12 min

Ingredients

  • ½ cup butter or margarine, softened
  • 2 tablespoons mayonnaise
  • 2 tablespoons prepared mustard
  • ¼ cup chopped onion
  • 2 tablespoons poppy seeds
  • salt and pepper to taste
  • 1 (2 pound) 2 inch thick ham steak
  • 16 slices Swiss cheese
  • 16 hamburger buns, split